| 摘要 |
PURPOSE: To provide a computer system not requiring exclusive software executed therein and using an existing external storage device to maintain data and to provide the repeater used for the system. CONSTITUTION: A central processing unit 11 sends a data write instruction. External storage devices 3, 4 store data based on the write instruction from the central processing unit 11. The repeater 2, sends the write instruction of the data that is sent to either of the external storage devices 3, 4 from the central processing unit 11 to the external storage device and sends the data also to the other external storage device. |
